Istanbul Congress Center (ICC; Turkish: İstanbul Kongre Merkezi) is a convention center located at Harbiye neighborhood of Şişli district in Istanbul, Turkey.

Situated adjacent to Harbiye Muhsin Ertuğrul Stage, it is a multi-level complex, which was built to host the 2009 IMF and World Bank Group Annual Meeting.

The congress center's biggest meeting space with an area of 3,028 m2 (32,590 sq ft) and 2,192 to 3,705-person seating capacity, the Harbiye Hall, occupies three levels.

The level B2 hosts another eight halls in sizes ranging between 87–1,300 m2 (940–13,990 sq ft) with seating capacities from 104 to 1,404.

The basement level B3 holds a total of 90 smaller rooms for workshop meetings in the range of 20–100 m2 (220–1,080 sq ft).